/*重置样式*/
/*一些标记需要自己去补充*/
html,
body,
ul,
li,
ol,
dl,
dd,
dt,
p,
h1,
h2,
h3,
h4,
h5,
h6,
form,
fieldset,
legend,
img,
div,
header,
nav,
section,
footer {
  margin: 0;
  padding: 0;
  box-sizing: border-box;

}

body,
textarea,
select,
input,
button {
  font-size: 12px;
  color: #333;
  font-family: Arial, Helvetica, sans-serif;
  -webkit-text-size-adjust: none;
}

fieldset,
img {
  border: none;
}

img {
  vertical-align: top;
}

address,
th {
  font-style: normal;
  font-weight: normal;
}

ul,
ol {
  list-style: none;
}

a {
  color: #666;
  text-decoration: none;
}

/*元素垂直居中*/
.ele-middle {
  display: flex;
  justify-content: center;
  align-items: center;
}